<template>
	<div class="login_container">
		<div class="login_box">
			<!-- 头像区域 -->
			<div class="avatar_box">
				<img src="../assets/logo.png" />
			</div>
			<!-- 登录表单区域 -->
			<el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
				<!-- 账号 -->
			  <el-form-item prop="username">
			    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
			  </el-form-item>
				<!-- 密码 -->
			  <el-form-item prop="password">
			    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
			  </el-form-item>
				<!-- 按钮 -->
			  <el-form-item class="btns">
			    <el-button type="primary" @click="login">登录</el-button>
				<el-button type="info" @click="resetLoginForm" >重置</el-button>
			  </el-form-item>
			</el-form>
		</div>
	</div>
	
</template>

<script>
	export default{
		data() {
			return {
				//登录表单的数据绑定对象
				loginForm: {
					username: 'admin',
					password: '123456'
				},
				//表单的验证规则对象
				loginFormRules: {
					//验证用户名是否合法
					username: [
						{ required: true, message: '请输入管理员账号', trigger: 'blur' },
						// { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
					],
					//验证密码是否合法
					password: [
						{ required: true, message: '请输入登录密码', trigger: 'blur' }
					]
				}
			}
		},
		methods: {
			//点击重置按钮，重置登录表单
			resetLoginForm() {
				this.$refs.loginFormRef.resetFields();
			},
			login() {
				this.$refs.loginFormRef.validate(async valid => {
					//表单验证不通过直接返回
					if(!valid) return;
					const { data: res } = await this.$http.post("login",this.loginForm);
					if(res.meta.status !== 200) return this.$message.error("登录失败！");
					this.$message.success("登录成功");
					//1.将登录成功之后的token保存在客户端的sessionStroage中
					//	1.1项目中除了登录之外的其他API接口，必须在登录之外才能访问
					//	1.2token只应在当前网站打开期间生效，所以将token保存在sessionStroage中
					window.sessionStorage.setItem("token",res.data.token);
					//通过编程式导航跳转到后台主页，路由地址是/home
					this.$router.push("/home1");
					
					
					//post提交方式
					// const { data: res } = await this.$http.post("checkAdmin",this.$qs.stringify(this.loginForm));
					// if(res.code !== 200) return this.$message.error("登录失败！");
					// this.$message.success("登录成功");
					// this.$router.push("/home1");
					
					//get提交方式
					// this.$http.get('checkAdmin',{
					//     params:{
					//         username:this.loginForm.username,
					//         password:this.loginForm.password
					//     }
					// }).then((res)=>{
					//     console.log(res.data.data);
					// })

				});
			}
		}
		
	}
</script>

<style lang="less" scoped>
	.login_container {
		background-color: #2b4b6b;
		height: 100%;
	}
	
	.login_box {
		width: 450px;
		height: 300px;
		background-color: #fff;
		border-radius: 3px;
		position: absolute;
		left: 50%;
		top: 50%;
		transform: translate(-50%,-50%);
	}
	
	.avatar_box {
		height: 130px;
		width: 130px;
		border: 1px solid #eee;
		border-radius: 50%;
		padding: 10px;
		box-shadow: 0 0 10px #ddd;
		position: absolute;
		left: 50%;
		transform: translate(-50%, -50%);
		background-color: #fff;
		img {
			width: 100%;
			height: 100%;
			border-radius: 50%;
			background-color: #eee;
		}
	}
	
	.login_form {
		position: absolute;
		bottom: 0;
		width: 100%;
		padding: 0 30px;
		box-sizing: border-box;
	}
	
	.btns {
		display: flex;
		justify-content: flex-end;
	}
</style>
